FI40337B - - Google Patents

Info

Publication number
FI40337B
FI40337B FI1675/61A FI167561A FI40337B FI 40337 B FI40337 B FI 40337B FI 1675/61 A FI1675/61 A FI 1675/61A FI 167561 A FI167561 A FI 167561A FI 40337 B FI40337 B FI 40337B
Authority
FI
Finland
Application number
FI1675/61A
Other languages
Finnish (fi)
Inventor
Langen J Van
T Boersma
Original Assignee
Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of FI40337B publication Critical patent/FI40337B/fi

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
    • Y10T29/49057—Using glass bonding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Glass Compositions (AREA)
FI1675/61A 1960-09-27 1961-09-25 FI40337B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL256303 1960-09-27

Publications (1)

Publication Number Publication Date
FI40337B true FI40337B (de) 1968-09-02

Family

ID=19752588

Family Applications (1)

Application Number Title Priority Date Filing Date
FI1675/61A FI40337B (de) 1960-09-27 1961-09-25

Country Status (6)

Country Link
US (1) US3228092A (de)
CH (1) CH396437A (de)
ES (1) ES270722A1 (de)
FI (1) FI40337B (de)
GB (1) GB912461A (de)
SE (1) SE308032B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3495045A (en) * 1964-08-18 1970-02-10 Peter F Varadi Magnetic transducer head having a ceramic gap spacer
US3736657A (en) * 1964-08-18 1973-06-05 P Varadi Method of manufacturing a transducer head for magnetic recording/reproducing apparatus
JPS5038017B1 (de) * 1969-10-30 1975-12-06
JPS5128009B1 (de) * 1970-06-02 1976-08-16
JPS5128010B1 (de) * 1970-06-02 1976-08-16
JPS5128011B1 (de) * 1970-06-02 1976-08-16
JPS5114251B1 (de) * 1970-08-20 1976-05-08
JPS4838826U (de) * 1971-09-10 1973-05-14

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2728054A (en) * 1951-09-20 1955-12-20 Steatite Res Corp Ferromagnetic ceramic inductance core
IT514346A (de) * 1953-03-20
US2915812A (en) * 1953-04-21 1959-12-08 Rca Corp Method of constructing magnetic heads
US2943384A (en) * 1954-06-29 1960-07-05 Curtiss Wright Corp Method of making magnetic recording units
US3024318A (en) * 1955-10-04 1962-03-06 Philips Corp Glass gap spacer for magnetic heads

Also Published As

Publication number Publication date
SE308032B (de) 1969-01-27
CH396437A (de) 1965-07-31
ES270722A1 (es) 1962-03-01
GB912461A (en) 1962-12-05
US3228092A (en) 1966-01-11

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